Semiconductor memory circuit

Details Semiconductor memory circuit Semiconductor memory circuit

1992-03-04

1994-08-16

LaRoche, Eugene R.

Static information storage and retrieval

Read/write circuit

Simultaneous operations

365218, 365185, G11C 700

Patent

active

053392710

ABSTRACT:
A semiconductor memory circuit includes memory cells each having two storage semiconductor elements. One of these semiconductor elements is made inoperative in response to a first or a second operation control signal. This makes it possible to check the margin of a threshold voltage of the other storage semiconductor element at the time when writing, erasing and reading operations with respect thereto are being performed.

REFERENCES:
patent: 4803662 (1989-02-01), Tanaka
patent: 4901320 (1990-02-01), Sawada et al.
patent: 5101381 (1992-03-01), Kouzi

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